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Clamp Assembly – Complete Disc Brake Caliper Hardware Kit for Sitrak C7H

The part is a comprehensive hardware kit designed to service the disc brake caliper system of the Sitrak C7H. This complete assembly includes every component needed for a full caliper rebuild or service, ensuring reliable braking performance and extended component life.

This Clamp Assembly kit features the Transmission and Adjusting Mechanism (Right), Sliding Pin Protective Boot Press Ring, Sliding Pin Protective Boot, Sliding Pin Bushings, Long Sliding Pin, Hexagon Socket Head Cap Screw, Sliding Pin Cover (Long Sliding Pin Side), Short Sliding Pin, Sliding Pin Cover (Short Sliding Pin Side), and Carrier. Every component is engineered to OEM specifications for a perfect fit and reliable performance. For complete technical specifications and ordering details, please refer to the official Sinotruk Catalog, which provides comprehensive information on all available variants and compatible truck models for The part.

The part is designed to ensure smooth, even brake pad wear and consistent clamping force. Its robust construction and high-quality materials guarantee long service life, even under the most demanding operating conditions. This Clamp Assembly is the ideal choice for operators who demand reliable and consistent braking performance.

Whether you are performing a routine brake service or rebuilding a worn caliper, this Clamp Assembly kit delivers factory-quality components and a straightforward installation. Each part is precision-crafted to meet the highest standards of quality and durability, ensuring that your Sitrak C7H braking system operates at peak efficiency.

The part kit is a complete solution for maintaining the integrity of your disc brake system. By using genuine OEM-quality components, you can restore braking performance to factory specifications and avoid premature wear of other brake components. This Clamp Assembly is the definitive choice for fleet operators and independent workshops alike.

Clamp Assembly

Component Details of Clamp Assembly

Transmission and Adjusting Mechanism (Right)

The Transmission and Adjusting Mechanism is the core of the Clamp Assembly, converting braking force into clamping action and automatically compensating for pad wear. This right-side mechanism features a precision gear train and a self-adjusting screw that maintains consistent brake pedal feel and stopping power. In the Clamp Assembly, this component ensures optimal braking performance throughout the life of the brake pads, reducing the need for manual adjustments and improving safety.

Sliding Pin Protective Boot Press Ring

This press ring secures the protective boot to the caliper housing in the Clamp Assembly. Made of spring steel with a corrosion-resistant coating, it provides a tight, reliable fit that keeps the boot in place and ensures a positive seal against contaminants. Two press rings are included in the Clamp Assembly, matching the two protective boots, ensuring comprehensive protection of the sliding mechanism.

Sliding Pin Protective Boot

The Sliding Pin Protective Boot is a flexible rubber cover that seals the sliding pin and bushing area from dirt, moisture, and debris. In the Clamp Assembly, it prevents contaminants from entering the sliding mechanism, maintaining smooth operation and preventing corrosion. Two boots are included, one for each sliding pin, ensuring comprehensive protection of the Clamp Assembly components.

Sliding Pin Bushing

The Sliding Pin Bushing provides a low-friction bearing surface for the sliding pins in the Clamp Assembly. Made from high-grade bronze with a self-lubricating property, it ensures smooth and consistent caliper movement while resisting wear and corrosion. In the Clamp Assembly, three bushings are included to ensure full support and alignment of the sliding pins, contributing to even brake pad wear and optimal braking performance.

Long Sliding Pin

The Long Sliding Pin is a critical component of the Clamp Assembly, guiding the caliper movement and ensuring even pad application. It is precision-ground from high-strength steel with a wear-resistant coating, providing a smooth, low-friction surface for the caliper to slide on. In the Clamp Assembly, this pin is designed to withstand the high temperatures and forces generated during braking, ensuring consistent performance and long service life.

Hexagon Socket Head Cap Screw

These high-strength socket head cap screws are used to secure various components within the Clamp Assembly. Manufactured from grade 10.9 alloy steel with a zinc-nickel coating, they provide exceptional clamping force and corrosion resistance. Two sizes are included in the Clamp Assembly: one for securing the long sliding pin side and another for the short sliding pin side, ensuring a precise fit for each mounting point.

Sliding Pin Cover (Long Sliding Pin Side)

This protective cover seals the long sliding pin opening in the Clamp Assembly, preventing dirt, moisture, and debris from entering the pin bore. Made from durable rubber with a metal insert, it provides a positive seal while allowing smooth pin movement. In the Clamp Assembly, this cover is essential for maintaining the integrity of the sliding mechanism, ensuring consistent brake pad wear and reliable braking performance.

Short Sliding Pin

The Short Sliding Pin is the counterpart to the long sliding pin, guiding the caliper on the opposite side. In the Clamp Assembly, it is manufactured from the same high-strength steel with a precision-ground finish and a wear-resistant coating. Together with the long pin, it ensures smooth, even caliper movement, contributing to balanced pad wear and consistent braking performance.

Sliding Pin Cover (Short Sliding Pin Side)

This protective cover seals the short sliding pin opening in the Clamp Assembly, providing the same level of protection as the long side cover. Made from the same durable rubber material with a metal insert, it prevents dirt and moisture ingress, ensuring smooth pin movement. In the Clamp Assembly, this cover is essential for maintaining the reliability and longevity of the sliding mechanism.

Carrier

The Carrier is the structural mounting bracket of the Clamp Assembly, securing the caliper to the axle and providing a rigid mounting point for the brake pads. Made from high-strength ductile iron with a precision-machined surface, it ensures accurate alignment of the caliper with the brake disc. In the Clamp Assembly, the carrier is designed to withstand the high forces of braking, providing a stable and durable foundation for the entire caliper system.

Product Parameters of Clamp Assembly

No. Part No. Name
1AZ4007444042Transmission and Adjusting Mechanism (Right)
2WG4007443015Sliding Pin Protective Boot Press Ring
3WG4007443117Sliding Pin Protective Boot
4WG4007443012Sliding Pin Bushing
5WG4007443013Long Sliding Pin
6Q218B1690TF2Hexagon Socket Head Cap Screw
7WG4007443016Sliding Pin Cover (Long Sliding Pin Side)
8WG4007443014Short Sliding Pin
9Q218B1680TF2Hexagon Socket Head Cap Screw
10WG4007443018Sliding Pin Cover (Short Sliding Pin Side)
11AZ4007444112Carrier

Why Choose Our Clamp Assembly?

Complete Caliper Rebuild Solution

The Clamp Assembly kit includes every component needed for a full caliper rebuild – adjusting mechanisms, pins, bushings, boots, covers, and carrier. No additional parts are required, saving time and ensuring compatibility.

Precision Engineering for Consistent Braking

All components of the Clamp Assembly are precision-machined to exacting tolerances, ensuring smooth caliper movement and even pad pressure. This results in consistent braking performance, reduced brake fade, and improved safety.

Durable Materials for Long Service Life

The Clamp Assembly components are manufactured from high-grade steel, bronze, and rubber compounds with advanced corrosion-resistant coatings. This ensures long-term reliability and reduced maintenance costs, making it a smart investment for heavy-duty trucking.

OEM Quality and Exact Fitment

The Clamp Assembly is manufactured to the exact OEM specifications, guaranteeing a perfect fit on the Sitrak C7H. The precision-machined components and correctly sized fasteners ensure a hassle-free installation, reducing downtime and labor costs.

Online Catalog of SINOTRUK Parts

Learn More

Our online catalog provides comprehensive access to genuine SINOTRUK parts for all major vehicle lines — including HOWO, Sitrak, Steyr, and Yellow River series trucks. You can browse detailed specifications, original part numbers, and exploded-view diagrams for every assembly. Whether you are performing routine maintenance or planning a major overhaul, the catalog helps you quickly identify the correct components for your vehicle. When you become a SINOTRUK customer, we offer complimentary full‑access catalog services, ensuring you always have the latest product data and interchangeability information at your fingertips to support efficient fleet management and accurate parts ordering.

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